package com.heima.media.interceptor;

import com.heima.common.dto.User;
import com.heima.common.util.MediaThreadLocalUtil;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class UserInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String userId = request.getHeader("userId");

        if(!StringUtils.isEmpty(userId)){

            User user = new User();

            user.setUserId(Integer.parseInt(userId));

            MediaThreadLocalUtil.set(user);
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

        MediaThreadLocalUtil.remove();
    }
}
